docs: def sleep_walk(secs):
      '''
      Pass the time by adding numbers until the specified number of seconds has
      elapsed. Intended as a replacement for ``time.sleep`` that doesn't leave the
      CPU idle (which will make the job seem like it's stalled).
      '''
      start_time = datetime.now()
      num = 0
      while (datetime.now() - start_time).seconds < secs:
          num = num + 1